Bunk bed



FIG. 1 is a perspective view showing the top, end, and one side of a bunk bed illustrating my new design;

FIG. 2 is a side elevation view thereof the opposite side being identical thereto;

FIG. 3 is an end elevation view thereof from the end visible in FIG. 1;

FIG. 4 is an end elevation view thereof from the end opposite FIG. 3;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view showing the top, end, and one side of a bunk bed illustrating one modification of my new design;

FIG. 8 is a side elevation view of the modificatin of FIG. 7 the opposite side being identical thereto;

FIG. 9 is an end elevation view from the end visible in FIG. 7 with the view from the opposite end thereof being identical;

FIG. 10 is a top plan view of the modification of FIG. 7; and,

FIG. 11 is a bottom plan view of the modification of FIG. 7. 

The ornamental design for a bunk bed, as shown and described. 